Construction year: 1911
Numbering locomotives: 61.001 - 61.003
Type of locomotief: ( 10 Wheel ) 4-6-0
Mechanism
Diameter of cylinders HD (d) : 460 mm
Diameter of cylinders LD (d') : 610 mm
Piston stroke (l) : 660 mm
Diameter of driving wheels (D) : 1,980 m
Kettle
Kettle pressure (P) : 15 kg/cm²
Grid
Length: 3 m
Width: 1,040 m
Surface area (G) : 3,12 m²
Heating surface of the firebox: 17,59 m²
Heating surface of the firebox
Small fire tubes
Diameters : 45/50 mm
Amount: 141
Surface area 97,62 m²
Big fire tubes
Diameters : 125/133 mm
Amount: 26
Surface area 49,47 m²
Total heating area (S) : 146,68 m²
Diameter superheater pipes: 30,5/38 mm
Overheating surface (S1) : 58,80 m²
Boiler hull
Average diameter: 1,634 m
Plate thickness: 17,5 and 18 mm
Thickness fireboxplates: 15 en 20 mm
Material fireboxplates: Copper
Thickness fireboxplates
Sky plate: 15 mm
Rear and side plates: 15 mm
Pipe plate: 16 or 27 mm
Thickness of pipe plate - Smoke box: 26 mm
Content of the ride-on kettle: 7,150 m³
Steam chest volume: 2,110 m³
Surface area of steam release: 10,22 m²
Ratio S/G : 52,80
Ratio S1/S: 0,553
Weight empty locomotive: 77,650 ton
Adhesion weight (A): 51,990 ton
Ratio T/A: 1/5,38
Towing capacity: T= 0,65²l (pd² + p'd'²) 9 670kg
D
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